Clamp.



F. W. BEES.

CLAMP.

APPLICATION men MAR. 29. 1911.

1.276.692. Patented Aug. 20, 1918.

A TTGRNE Y llhll pieni limon.,

FRANK Vf. BEES, OF PGRTLAID, GREGON, ASSIGNOR OF ONE-HALF T0 MYRTLE I. BEES, OF SEATTLE, WASHINGTON.

CLAMP.

Application filed March 29, 1917.

To f/i iti/mm t may conce-Mz Be it known that I, FRANK W. Buns, a citizen et the United States, residing at Portland, county of lllultnomah, State of lli-igen, have invented certain new and usetul linprovements in Clamps, ot which the toll-owing if; :i specification.

Eljinvention relates to clamps in general. and particularly to that term known as C clamps and extensively used by machinists, carpenters, cabinet makers and the like. and the object ot my invention is to provide such a device as will be universally adjustable to the various dimensions and characteristics ot the work to which it may be applied.

l accomplish the above object, and other desirable results b v means ot' the construction illustrated iny the accompanying drawing, which tlieretorc becomes a part of this application iior Letters Patent, like characters cit reterence indicating like parts throughout the several views, and in which 2- lfigure 1 is a side cleratiou of my device, illustrating by dotted lines some ot' its various adjustments.

lli 2 is a rear elevation ot the foot of my device.

`'ig. 3 is a plan view ci the jaws at the foot of my device.

Fig. al. `is a detailed perspective view of one et' the jaws.

l? ig. 5 is a detailed perspective view ot the sustaining link for the jaws.

Fig. 6 is a detailed perspective view of one ot the articulated links at the foot ot my device.

Fig. T is a detailed perspective view of the sliding sleeve.

Fie'. S is a side elevation illustrating one use or my device.

lil/'bile my device may be usefully employed by machinists, carpenters, cabinetvmakers and the like, it .is especially adapted :tor use in compressing the springs of the valves of internal combustion engines preparatory to removing the valves therefrom, and is so illustrated in Fig. 8.

ln general my device consists of a rod, a sleeve slidable thereon, an extension arm attached to said sleeve and having upon they other extremity thereof a clamp screw, a series of articulated links upon one end o said rod, and adjustable jaws upon the last Specification of Letters Patent.

Patented Aue'. 20, 1918.

Serial No. 158,448.

of said links, the work being clamped between said screw and said jaws, as illustratod in Fig. S.

To make the device adjustable to various thicknesses of material the sleeve 9 is slidably mounted upon rod lO. n

To enable the device to accommodate various depths of material the screw 11 is made adjustable relatively to rod 10, so that it can be moved toward or from said rod and secured in any desired position.

This is accomplished by mounting the screw upon an adjustable arm secured to sleeve 9, a convenient form of which arm is composed ot a series of articulated crossed links 12. as shown in Figs. 1 and 8.

To attach this adjustable arm to the screw 1l l provide a screw nut 13 having thereon a rectangular flange 1i with a longitudinal slot 15 therein.

@ne ci? said links 12 Vis pivotally attached to said iiange, as shown at 1G, while the corresponding end of the adjacent link is secured by a pin 17 slidablc in slot 15.

To attach the adjustable arm to the sleeve 9 l provide a rectangular flange 18 rigidly attached to sleeve 9 by rivets or other convenient means, and having therein a longitudinal slot 19, as shown in Figs. 1, 7 and 8.

One of said links 12 is pivotally attached to said flange opposite pivot 16, as shown at 2O in Figs. 1, 7 and 8, while the corresponding end of the adjacent link is slidably secured by a bolt and wing nut 21 coacting with slot 19, as shown in F 1 and S.

By this construction the screw 11 may be placed in any position desired relatively to rod 10, as shown in dotted lines at 11a, in F ig. 1, and may be secured thereat by wing nut and bolt 21.

The entire adjustable arm with the screw 11 may be raised or lowered upon rod 10, and secured thereon in various positions by means of a keeper 22 pivotally mounted upon rectangular ilange 18 and adapted to coact with notches 28 in rod 10, as shown in Figs. 1, and 8.

In order to render my device applicable to various sizes of Valve stems, or other members it may be required to embrace. l make the tootin the form of two pivotally mounted jaws 24, which may be opened or closed in a. plane normal to the aXis of screw 11, as shown in Fig. 3.

Said jaws are pivotally attached to a link 

